:root{--bg: #f5f6f8;--card-bg: #ffffff;--border: #e2e5ea;--text: #1a1d24;--muted: #6b7280;--primary: #3b5bfd;--primary-text: #ffffff;--ok: #0a7a3b;--err: #c0392b;--radius: 10px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;padding:0 0 120px;background:var(--bg);color:var(--text);line-height:1.5}.topbar{padding:20px 16px 8px;max-width:760px;margin:0 auto}.topbar h1{font-size:1.3rem;margin:0 0 4px}main{max-width:760px;margin:0 auto;padding:0 16px;display:flex;flex-direction:column;gap:16px}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.card h2{font-size:1.05rem;margin:0 0 12px}.card h3{font-size:.95rem;margin:0 0 8px}.muted{color:var(--muted);font-size:.875rem;margin:4px 0}code{background:#eef0f4;padding:1px 5px;border-radius:4px;font-size:.85em}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:10px;flex:1 1 160px}.field>span{font-size:.8rem;color:var(--muted)}input[type=text],input[type=number],select{padding:9px 10px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;background:#fff;width:100%}input:focus,select:focus{outline:2px solid var(--primary);outline-offset:0;border-color:var(--primary)}.row{display:flex;flex-wrap:wrap;gap:12px}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:6px}.inline{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;color:var(--muted)}button{padding:9px 16px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);font-size:.9rem;cursor:pointer}button:hover:not(:disabled){background:#f0f2f6}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--primary);color:var(--primary-text);border-color:var(--primary)}button.primary:hover:not(:disabled){filter:brightness(1.05)}.status{font-size:.85rem;color:var(--muted)}.status.ok{color:var(--ok)}.status.err{color:var(--err)}.element-block{margin-bottom:16px}.slot{min-height:44px;border:1px dashed var(--border);border-radius:8px;padding:8px;background:#fafbfc}.outcome{margin-top:10px;background:#0f1117;color:#d6e2ff;border-radius:8px;padding:10px;font-size:.8rem;white-space:pre-wrap;word-break:break-word;min-height:1.5em}.logdock{position:fixed;left:0;right:0;bottom:0;background:#0f1117;color:#d6e2ff;border-top:1px solid #2a2f3a;z-index:50}.logdock-head{display:flex;align-items:center;gap:8px;padding:8px 12px;font-size:.85rem}.logdock-head .spacer{flex:1}.logdock-head button{padding:4px 10px;font-size:.8rem;background:#1b1f2a;color:#d6e2ff;border-color:#2a2f3a}.log{margin:0;padding:0 12px;font-size:.78rem;white-space:pre-wrap;word-break:break-word;overflow-y:auto;transition:max-height .15s ease}.logdock.collapsed .log{max-height:0;padding-top:0;padding-bottom:0}.logdock.expanded .log{max-height:45vh;padding-top:8px;padding-bottom:12px}.input-with-btn{display:flex;gap:8px;align-items:stretch}.input-with-btn input[type=text]{flex:1 1 auto}.icon-btn{flex:0 0 auto;white-space:nowrap;padding:9px 12px;font-size:.85rem}.subsection{margin-top:8px;border:1px solid var(--border);border-radius:8px;background:#fafbfc}.subsection>summary{cursor:pointer;padding:10px 12px;font-size:.9rem;font-weight:600;list-style:none;-webkit-user-select:none;user-select:none}.subsection>summary::-webkit-details-marker{display:none}.subsection>summary:before{content:"▸";display:inline-block;margin-right:8px;color:var(--muted);transition:transform .15s ease}.subsection[open]>summary:before{transform:rotate(90deg)}.subsection>*:not(summary){padding-left:12px;padding-right:12px}.subsection>*:last-child{padding-bottom:12px}